1490 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Acanthograptus pulcher Spencer. 



Arctinurus boltoni (Bigsby). 



Aslroconia granti Sollas. 



Astylospongia prsemorsa Goldfuss. 



Atrypa reticularis (Linnaeus). 



Bumastus ioxus Hall. 



Callograptus minutus Spencer. 



Callograptus minutus altus Gurley. 



Callograptus multicaulis Spencer. 



Callograptus niagarcnsis Spencer. 



Callograptus strictus Gurley. 



Calypiograptus cyathiformis Spencer. 



Calyptograptus micronematodes Spencer. 



Calyptograptusf radiatus Spencer. 



Camarotccchia neglecta Hall. 



Caunopora mirabilis Spencer. 



Ceramopora imbricata Hall. 



Ceramoporella reticulata (Spencer). 



Conularia magnifica Spencer. 



Conularia rugosa Spencer. 



Conularia wilkinsi Spencer. 



Cornulites clintoni Hall. 



Crania anna Spencer. 



Cyclograptus rotadentatus Spencer. 

 Dalmanclla elegantula (Dalman). 

 Dalmanites limulurus Green. 

 Dendrograptus dawsoni Spencer. 

 Dendrograptus frondosus Spencer. 

 Dendrograptus ontarioensis Bassler. 

 Dendrograptus phainotheca Gurley. 

 Dendrograptus prxgracilis Spencer. 

 Dendrograptus? problematicus (Spencer). 

 Dendrograptus ramosus Spencer. 

 Dendrograptus spinosus Spencer. 

 Diamesopora dichotoma Hall. 

 Dictyonella corallifera Hall. 

 Dictyonella reticulata Hall. 

 Dictyonema crassibasale Gurley. 

 Dictyoncma desmoides Gurley. 

 Dictyonema expansum Spencer. 

 Dictyonema filiramus Gurley. 

 Dictyonema parallelum Gurley. 

 Dictyonema percrassum Gurley. 

 Dictyonema retiforme Hall. 

 Dictyonema spenceri Gurley. 

 Dictyonema stenactinotum Gurley. 

 Dictyonema tenellum Spencer. 

 Enterolasma caliculus (Hall). 

 Fenestella elegans Hall. 

 Inocaulis cervicornis Spencer. 

 Inocaulis congregatus Gurley. 

 Inocaulis diffusus Spencer. 

 Inocaulis diffusus crassiramus Gurley. 

 Inocaulis granti (Dawson). 

 Inocaulis phycoides Spencer. 

 Inocaulis plumulosus Hall. 

 Inocaulis ramulosus Spencer. 

 Inocaulis? strictus Gurley. 

 Inocaulis? thallosus Gurley. 

 Leptxna rhomboidalis (Wilckens). 

 Lichenalia concentrica Hall. 

 Lingula ingens Spencer. 

 Lingula lamcllata Hall. 

 Lingulops granti Hall and Clarke. 

 Lituites niagarensis Spencer. 

 Mesotrypa nurnmiformis (Hall). 

 Nicholsonclla florida (Hall). 



Odontocaulis obpyriformis Gurley. 

 Odontocaulis occidentalis Gurley. 

 Odontocaulis granti (Spencer). 

 Orthoceras bartonensis Spencer. 

 Pachydictya crassa (Hall). 

 Pholidops squamiformis Hall. 

 Plectambonites transversalis (Wahlenberg). 

 Pleurotomaria clipeiformis Spencer. 

 Polypora albionensis Spencer. 

 Protarea walkeri (Spencer). 

 Pseudohornera diffusa (Hall). 

 Pseudohornera niagarensis (Hall). 

 Pterinea emacerata (Conrad). 

 Pterygotus canadensis Dawson. 

 Ptilograplus foliaccus Spencer. 

 Rhipidomclla hybrida (Sowerby). 

 Iihizograptus bulbosus Spencer. 

 Schizotreta tcnuilamellata (Hall). 

 Schuchcrtclla subplana (Conrad). 

 Semicoscinium tenuiceps (Hall). 

 Spirifer {Eospirifer) niagarensis (Hall). 

 Spirifer {Eospirifer) radiatus (Sowerby). 

 Spirifer (Delthyris) sulcat.us (Hisinger). 

 Slricklandinia chapmani Hall and Clarke. 

 Stropheodonta profunda (Hall). 

 Strophonella patenta (Hall). 

 Thamnograptus bartonensis Spencer. 

 Thamnograptus{?) multiformis Spencer. 

 Whitfieldella nitida oblata (Hall). 



ANTICOSTIAN, ISLAND OF ANTICOSTI, QUEBEC. 



(Becsie River=B.; Gun River=G.; Jupiter River= 

 J.;Chicotte=C). 



Actinoceras infelix (Billings). (B., G., J.) 

 Alveolites labechei Edwards and Haime. (J.) 

 Athyris(?) tumidula Billings. (G., J.) 

 Atrypa marginalis Dalman. (B., C.) 

 Atrypa reticularis Linnaeus. (G., J., C.) 

 Bellerophon dilatatus (Sowerby?) Billings. (G., J.) 

 Beyrichia diffusa Jones. (J.) 

 Beyrichia venusta Billings. (J.) 

 Bilobites bilobus (Linnaeus). (G., J.) 

 Bumastus orbicaudatus (Billings). (B., G.) 

 Calymene niagarensis Hall. (B., G., J.) 

 Camarotcecliia argentea (Billings). (J.) 

 Camarotccchia decemplicata (Sowerby). (G.) 

 Camarotcecliia fringilla (Billings). (G.) 

 Camarotccchia glacialis (Billings). (G., J.) 

 Camarotccchia neglecta (Hall). (B., G.) 

 Camarotccchia nutrix (Billings). (G., J.) 

 Camarotcechia pyrrha (Billings). (G.) 

 Camarotccchia vicina (Billings). (C.) 

 Cheirurus nupcrus Billings. (G., J., C.) 

 Chilotrypa circe Billings. (J.) 

 Chonetes primigenius Twenhofel. (G., J.) 

 Chonophyllum ( Craterophyllum) canadense (Bil- 

 lings). (J.,C.) 

 Clathrodiclyon vesiculosum Nicholson and Murie. 



(B.,G.,J.,C.) 

 Ccelospira hemispherica (Sowerby). (G., J., C.) 

 Ccelospira planoconvexa (Hall). (B., G.) 

 Ccenites lunatus (Nicholson and Hinde). (J.) 

 Conocardium elegantulum Billings. (J., C.) 

 Corynotrypa dissimilis (Vine). (G.) 

 Corynotrypa elongata (Vine). (G.) 

 Cyathopyllum anticostiense Billings. (J., C.) 



